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Illustrator CC export for screens 1 pixel off in size

Explorer ,
Aug 29, 2018

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This is a continuation of the issue that occurs in Illustrator CS6

Illustrator CS6 artboard exports 1 pixel off in size

Settings

  1. The images I'm exporting are using whole numbers for width, height, x-axis position and y-axis position from x:0, y:0
  2. The artboards are the exact size of the image: Object > Artboards > Fit to Selected Art
  3. The Object > Make Pixel Perfect trick did not work for me. I got an Illustrator message stating they were already perfect.

Tested

  1. File > Export > Export for Screens... (adds 1 pixel to height and width)
  2. File > Export > Export As... (does not add any pixels)
  3. File > Export > Save for Web (Legacy) (does not add any pixels)

Thoughts

This seems to only be an issue with the "export for screens" option. I'm guessing this is a bug that just hasn't been solved yet.

If anyone has any insights regarding solutions, feature requests, or bug fixes please add them in the comments.

I realize this issue was brought up last year, but I had the same problem and thought it helpful to share a potential solution. Making sure the artboard is aligned to the pixel grid as described at https://www.reddit.com/r/AdobeIllustrator/comments/3dqadd/1_pixel_off_when_exporting_artboards_to_png/ct9qm26?utm_source… fixed the additional pixel problem in my situation. Essentially, while using the Artboard Tool make sure the X and Y position values are whole numbers without decimals. Doing "Rearrange All Artboards" from the Artboards panel flyout menu was an automatic way to align the artboards to the pixel grid that also worked.

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Illustrator CC export for screens 1 pixel off in size

Explorer ,
Aug 29, 2018

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This is a continuation of the issue that occurs in Illustrator CS6

Illustrator CS6 artboard exports 1 pixel off in size

Settings

  1. The images I'm exporting are using whole numbers for width, height, x-axis position and y-axis position from x:0, y:0
  2. The artboards are the exact size of the image: Object > Artboards > Fit to Selected Art
  3. The Object > Make Pixel Perfect trick did not work for me. I got an Illustrator message stating they were already perfect.

Tested

  1. File > Export > Export for Screens... (adds 1 pixel to height and width)
  2. File > Export > Export As... (does not add any pixels)
  3. File > Export > Save for Web (Legacy) (does not add any pixels)

Thoughts

This seems to only be an issue with the "export for screens" option. I'm guessing this is a bug that just hasn't been solved yet.

If anyone has any insights regarding solutions, feature requests, or bug fixes please add them in the comments.

I realize this issue was brought up last year, but I had the same problem and thought it helpful to share a potential solution. Making sure the artboard is aligned to the pixel grid as described at https://www.reddit.com/r/AdobeIllustrator/comments/3dqadd/1_pixel_off_when_exporting_artboards_to_png/ct9qm26?utm_source… fixed the additional pixel problem in my situation. Essentially, while using the Artboard Tool make sure the X and Y position values are whole numbers without decimals. Doing "Rearrange All Artboards" from the Artboards panel flyout menu was an automatic way to align the artboards to the pixel grid that also worked.

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Guide ,
Aug 31, 2018

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If I create a New Illustrator document with Web intent and define an artboard size in pixels, exporting for screens gives me an exact artboard size: in other words, I can't replicate the problem in Illustrator CC (2018) and do NOT see an extra pixel in width or height.

I'm wondering if step 2 in your settings is the culprit – and possibly due to stroke weights and stroke positioning, there is a minuscule bit of 'rounding' occurring that when exported for screens results in a rounding up.

Are you able to provide some step-by-step screenshot examples of what you are doing?

  • are the document units of measurements set to pixels?
  • does the artboard size display an exact number of pixels?
  • etc.

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Explorer ,
Aug 31, 2018

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Cari Jansen

  1. There are no strokes on my objects, but if there were I would Object > Path > Outline Stroke before exporting.
  2. I've seen the rounding issue you're talking about before, even posted about it: illustrator CC snap to anchor points off by 0.005 px , but the images below show this is not the case.

The object

illusrator-cc-top-bar_object.JPG

The Artboard

illusrator-cc-top-bar_artboard.JPG

Preferences

illusrator-cc-preferences.JPG

Steps to Reproduce

File > Export > Export for Screens...

illusrator-cc-file-export-for-screens_edited.png

Export for Screens

(some images and text censored)

illusrator-cc-export-for-screens_edited.jpg

Windows 10 Explorer > [right click newly created PNG] > Properties

(some images and text censored)

image-properties_edited.jpg

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Community Beginner ,
May 14, 2019

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I realize this issue was brought up last year, but I had the same problem and thought it helpful to share a potential solution. Making sure the artboard is aligned to the pixel grid as described at https://www.reddit.com/r/AdobeIllustrator/comments/3dqadd/1_pixel_off_when_exporting_artboards_to_pn... fixed the additional pixel problem in my situation. Essentially, while using the Artboard Tool make sure the X and Y position values are whole numbers without decimals. Doing "Rearrange All Artboards" from the Artboards panel flyout menu was an automatic way to align the artboards to the pixel grid that also worked.

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Explorer ,
May 17, 2019

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I believe this may have been the issue. I confirmed that this occurs with artboards that are not aligned to pixel grids. Ones that are aligned to pixel grid do not seem to have this issue.

I was going to state that a 100px by 100px artboard should result in an image with the same dimensions, but then pixel grid would be more confusing. My more recent files I noticed don't have this issue, simply because I had been using "Rearrange All Artboards" as part of my regular process.

Thanks for updating this thread!

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Community Beginner ,
Aug 09, 2019

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This is the actual solution. Thanks.

Silly that half a pixel coordinate would make such an issue, but anyway... Tnx.

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Adobe Community Professional ,
Aug 09, 2019

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martinovski  schrieb

Silly that half a pixel coordinate would make such an issue, but anyway... Tnx.

Half a pixel just doesn't exist. Pixels can only be complete.

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Community Beginner ,
Aug 09, 2019

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That's not helpful since I gave the solution to the problem above. There is a setting in Illustrator for artboard coordinates which can be set to any part of the pixel. Therefore your comment is completely unnecessary.

123.png

Set these numbers to whole numbers and the problem should go away.

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Adobe Community Professional ,
Aug 09, 2019

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martinovski  schrieb

Therefore your comment is completely unnecessary.

I was referring to your "silly" remark. Since half pixels don't exist and images can only contain whole pixels, your artwork has to be set up this way.

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Explorer ,
Aug 12, 2019

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Monika Gause​ and martinovski
The only silly thing is arguing two different points in which you are both correct.

martinovski

You are correct in your statement that "half a pixel coordinate" is possible, and "half a pixel" taken out of the context of your statement would potentially be invalid, but within the context of your statement is valid.

Monika Gause

You are correct that "half pixels don't exist" in bitmap images and this does not conflict with the statement made by martinovski​.

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Explorer ,
Dec 03, 2019

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Just as another addition, if you are working in measurements other than pixels (cm, in, pt, etc.), your odds of this artboard issue occuring increases.

 

I had a recent document where one of my artboards needed to have a decimal pt value. All the artboards that followed were then offset by that decimal value when doing "Rearrange all Artboards...".

 

Had to go back and manually move the affected artboards, so the top left XY values didn't start on a decimal pixel value.

 

For anyone wondering, this issue originated by iOS developer app icon image requirements where one image is defined as 83.5pt. Not a great measurement for Apple to use since @1x it will always have an anti-aliasing issue, even if they don't use that image size.

 

The problem is still caused by Illustrator poorly handling artboard coordinates, but I could see how few individuals would require this flexibility. Most people however discover this because of the problem it creates, not because they're looking for artboard manipulation.

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Community Beginner ,
Aug 17, 2020

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This is really an annoying bug that should be fixed. Exported images should not vary its size depending on artboard position! 

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Sep 13, 2020

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How to activate epic games? Just visit www.epicgames.com/activate and get top-class technical support for your epic games account activation issues and many more.

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